[Burst(After Your Opponent Activates a "When This Spirit/Brave is Summoned" effect)] Move 1 magic card from your trash to the top of your deck. You can return up to 10 more cards from your trash to the bottom of your deck, in whatever order you choose. After that, by paying the cost, you can activate this card's flash effect. (Flash Step) When there are 2 or more colors of spirits and nexus on your opponent's field, during this turn, only yellow spirits can attack and block.